Changes to Mobile View are messing with larger screen sizes

Design help General
1

As above. Whenever I move around elements to look better in mobile. or I change sizing of images in mobile view it messes up the desktop version.

Can anyone help?

Here is my site Read-Only:

https://preview.webflow.com/preview/levi-macdonalds-spectacul-238e7ebcbd70f?utm_medium=preview_link&utm_source=dashboard&utm_content=levi-macdonalds-spectacul-238e7ebcbd70f&preview=08131ed41ec11cbab35ec7d257032529&workflow=preview